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From "Gianmarco De Francisci Morales (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-191) Random Walks on Graphs
Date Tue, 14 Aug 2012 09:21:38 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13434015#comment-13434015
] 

Gianmarco De Francisci Morales commented on GIRAPH-191:
-------------------------------------------------------

Yes, it works the same for Eclipse with the checkstyle plugin.
However, there is no automated way of just pressing a button and getting things straight.
Instead one has to manually fix every single issue.
                
> Random Walks on Graphs
> ----------------------
>
>                 Key: GIRAPH-191
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-191
>             Project: Giraph
>          Issue Type: New Feature
>          Components: examples
>    Affects Versions: 0.2.0
>            Reporter: Gianmarco De Francisci Morales
>            Assignee: Gianmarco De Francisci Morales
>         Attachments: GIRAPH-191-1.patch, GIRAPH-191.2.patch, GIRAPH-191.3.patch, GIRAPH-191.patch
>
>
> Implementing RWR on Giraph should be a very simple modification of the SimplePageRankVertex
code.
> {code}
> if ( myID == sourceID )
>       DoubleWritable vertexValue = new DoubleWritable((0.15f + 0.85f * sum);
> else
>       DoubleWritable vertexValue = new DoubleWritable(0.85f * sum);
> {code}
> It would be nice to make it as configurable as possible by using parametric damping factors,
preference vectors, strongly preferential, etc...
> More or less along these lines:
> http://law.dsi.unimi.it/software/docs/it/unimi/dsi/law/rank/PageRank.html

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